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Ko-ken Tool Co., Ltd.

Ko-ken has stood for high-quality hand tools „Made in Japan“ for decades. The brand is known worldwide for precise manufacturing, durable materials and outstanding workmanship. In sockets and impact tools in particular, Ko-ken is the benchmark for professional use in industry, workshops and mobility.

Discover the tools from Ko-ken – built for everyone who relies on absolute reliability and precision.

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3/8″ 6-point socket (long), SURFACE DRIVE

Item no.: 3310M

Surface Drive Sockets (long). Ensures a secure grip on screw heads and reduces the risk of rounding. The special Surface…

from € 10,15

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3/8" 6-point socket (long), SURFACE DRIVE

3/8″ 12-point socket set (imperial), 9-piece set on rail

Item no.: RS3305XA/9

12-point Ratchet Set (imperial), 9-piece on rail, provides a precise fit and secure grip for 12-point bolts, ideal for efficient…

€ 97,65

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3/8" 12-point socket set (inch), 9-piece set on rail

3/8″ 12-point socket set (mid-length), 8-piece set on rail

Item no.: RS3305X/8

This Ko-ken Ratchet Set offers a selection of high-quality 12-point sockets designed for precise, secure, and efficient work on fastening…

€ 81,40

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3/8'' 12-point Socket Set (mid-length), 8-piece set on a rail holder

3/8″ 6-point socket set (deep), 12-piece set on socket rail, SURFACE DRIVE

Item no.: RS3310M/12

Surface Drive Sockets (long). Ensures a secure grip on screw heads and reduces the risk of rounding. The special Surface…

€ 125,35

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3/8'' 6-point socket set (deep), 12-piece set on socket rail, SURFACE DRIVE

3/8″ TORX® Socket Set (long), 9-piece set on a rail

Item no.: RS3325/9

TORX® Sockets. Ensures secure grip on TORX® screw heads and enables precise and efficient work.

€ 112,05

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3/8'' TORX® Socket Set (long), 9-piece set on a rail

Adaptor 3/8″ to 1/4″

Item no.: 3322A

Adaptor from 3/8″ to 1/4″. Robust and durable, ideal for flexible use with tools of various drive sizes.

€ 10,55

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Adaptor 3/8″ to 1/4″

3/8″ 6-point Universal Socket, 75 mm

Item no.: 3340M-75

Enables flexible work on hex bolts, even in hard-to-reach areas. The Universal Socket ensures precise power transmission and efficient work.

from € 34,75

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3/8" 6-point Universal Socket (long)

3/8″ TORX® socket, 55 mm

Item no.: 3325(E)

TORX® Sockets. Ensures secure grip on TORX® screw heads and enables precise and efficient work.

from € 13,10

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3/8" TORX® socket, 55 mm

3/8″ 6-point socket, NUT GRIP

Item no.: 3350M

The Ko-ken NUT GRIP® Sockets offer secure fastening of screws through two balls in the 6-point opening, which reliably hold…

from € 17,70

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3/8'' 6-point socket, NUT GRIP

Adaptor 3/8″ to 1/2″

Item no.: 3344A

Adaptor from 3/8″ to 1/2″. Robust and durable, ideal for flexible use with tools of various drive sizes.

€ 10,05

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Adaptor 3/8″ to 1/2″

3/8″ 6-point Socket, NUT GRIP

Item no.: 3350X

Ko-ken NUT GRIP® Sockets provide secure retention of screws via two balls in the 6-point opening that reliably hold the…

from € 18,60

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3/8" 6-point Socket, NUT GRIP

3/8″ 6-point socket set, 8-piece set on rail, NUT GRIP

Item no.: RS3350M/5

Ko-ken NUT GRIP® sockets provide secure bolt retention via two balls in the 6-point opening that hold the fastener firmly…

€ 85,75

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3/8″ 6-point socket set, 8-piece set on rail, NUT GRIP

3/8″ 6-point universal sockets (long), 8-piece set on rail, 75 mm

Item no.: RS3340M/8-L75

This Ko-ken ratchet set in universal design includes a selection of high-quality 6-point sockets specifically developed for precise and secure…

€ 268,55

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3/8″ 6-point universal sockets (long), 8-piece set on rail

3/8″ 6-point socket (inch), NUT GRIP, 120 mm

Item no.: 3350A-120

The Ko-ken NUT GRIP® sockets provide secure fastener retention through two balls in the 6-point opening that reliably hold the…

from € 61,75

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3/8" 6-point socket (inch), 120 mm, NUT GRIP

3/8″ 6-point socket set, 4-piece set on a rail, NUT GRIP

Item no.: RS3350X/4

Ko-ken NUT GRIP® sockets offer secure fastening of screws through two balls in the 6-point opening, reliably holding the fastener…

€ 71,70

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3/8″ 6-point socket set, 4-piece set on a rail, NUT GRIP

3/8″ 6-point socket, NUT GRIP, 120 mm

Item no.: 3350M-120

Ko-ken NUT GRIP® sockets provide a secure hold on fasteners via two balls in the 6-point opening, keeping them reliably…

€ 53,25

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3/8" 6-point socket, nut grip, 120 mm

3/8″ 6-point socket (inch), 26 mm

Item no.: 3400A

The 6-point Ratchet Set ensures a secure fit on hexagonal bolts and enables precise and efficient work, even in hard-to-reach…

from € 5,30

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3/8" 6-point socket, 26 mm

3/8″ Socket set with LHSTIX® profile, 7-piece set on retaining rail

Item no.: RS3400LH/7

Sockets with LHSTIX® profile for a secure hold and precise power transmission when loosening and tightening the corresponding screws.

€ 70,15

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3/8" Socket set with LHSTIX® profile, 7-piece set on retaining rail

3/8″ socket with LHSTIX® profile

Item no.: 3400LH

Sockets with LHSTIX® profile for a secure hold and precise power transmission when loosening and tightening the corresponding screws.

from € 9,75

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3/8" socket with LHSTIX® profile

3/8″ 6-point socket set (inch), 9-piece set on retaining rail

Item no.: RS3400A/9

This Ko-ken Ratchet Set in inch version offers a selection of high-quality 6-point Sockets designed for precise, reliable fastening work—ideal…

€ 49,95

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3/8″ 12-point socket set (inch), 9-piece set on retaining rail

3/8″ 6-point socket, 26 mm

Item no.: 3400M

The 6-point sockets ensure a secure fit on hex bolts and enable precise and efficient work, even in hard-to-reach areas.

from € 4,90

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3/8" 6-point socket, 26 mm

3/8″ 6-point socket (inch), WHITWORTH

Item no.: 3400W

6-point sockets in Whitworth design, suitable for bolted joints to British standards. Ensures a precise fit, reliable power transmission, and…

from € 6,80

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3/8" 6-point socket (inch), WHITWORTH

3/8″ 6-point socket set, 7-piece set on rail, WHITWORTH

Item no.: RS3400W/7

The Ko-ken ratchet set with Whitworth sockets, specifically designed for precise fastening of screws with Whitworth threads. The Whitworth thread,…

€ 56,25

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3/8″ 12-point socket set, 7-piece set on rail, WHITWORTH

3/8″ 6-point socket set, 12-piece set on rail, FLAT DRIVE

Item no.: RS3400M/12

This high-quality ratchet set utilizes the Flat Drive system, which ensures optimal power transmission between the socket flats and the…

€ 61,75

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3/8″ 12-Point Socket Set, 12-Piece Set on Holder Rail

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Input drive

Input drive
  • 1/2" (15)
  • 1/4" (9)
  • 3/8" (9)

Input drive profile

Input drive profile
  • External Square (37)
  • Handle (10)
  • Internal Square (2)

Output size

Output size
  • 3/8" (16)
  • 1/2" (15)
  • 1/4" (8)

Output profile

Output profile
  • External Square (47)